amido green black b price, total count: 2
Supplier: Dayang Chem (Hangzhou) Co., Ltd. Recommended
Updated Date: 2021-07-26 18:31:53
Purity: 98.0%
Product Detail: disodium 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
Supplier: Wenzhou Meiernuo Chemical Co., Ltd.
Updated Date: 2021-09-30 09:14:40
Purity: 99.9%
Product Detail: amido green black b